The Wavelength of a Periodic Wave Is 0

question 77

Multiple Choice

The wavelength of a periodic wave is 0.800 m.If the frequency is 400 Hz,then what is the magnitude of the k vector of the wave?

• A) 8.56 m^-1
• B) 7.85 m^-1
• C) 7.02 m^-1
• D) 6.35 m^-1
• E) 5.98 m^-1

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Definitions:

\(n + 1\)

Represents the next consecutive integer or element following 'n' in a sequence.

\(\frac { 20 } { n + 1 }\)

A mathematical fraction expressing the relation of the number 20 to one more than some number n.

\(- 4\)

A negative integer, four units less than zero.

\(3 ^ { n }\)

An exponential expression where 3 is the base and \(n\) is the exponent, indicating three raised to the power of \(n\).